וְהַקְּטֹ֙רֶת֙ אֲשֶׁ֣ר תַּעֲשֶׂ֔ה בְּמַ֨תְכֻּנְתָּ֔הּ לֹ֥א תַעֲשׂ֖וּ לָכֶ֑ם קֹ֛דֶשׁ תִּהְיֶ֥ה לְךָ֖ לַיהוָֽה׃
А ладан, который ты будешь производить, по составу его не сделай себе; Он будет тебе свят для Господа.
Mishneh Torah, Negative Mitzvot
Not to compound aught after the formula of the incense, as it is said, “…. ye shall not make unto yourselves according to the composition thereof” (Ex. 30:37).
Sefer HaChinukh
To not make [incense] according to the specification of the incense: To not make incense identical to the [Temple] incense, meaning to say that its composition be the same weight measurements and he have the intention to provide incense for himself, as it is stated (Exodus 30:37), “and you shall not make for yourselves according to its specification.” And it is stated (Exodus 30:38), “A man that makes any like it, to smell of it” — meaning to say that when he is making it, he intends to provide incense for himself.